There are four seasons in a year, and each season has corresponding solar terms. The Beginning of Summer solar term marks the beginning of summer. When is the 7th solar term (Beginning of Summer)? Is it the dividing point of summer? The nicknames of the fourth month of the lunar calendar include: Yin Yue, Yu Yue, etc. In the fourth month of the lunar calendar, the summer scene becomes more intense. Shuimoxiansheng.com’s special topic on the fourth month of the lunar calendar in 2020 will analyze the auspicious and inauspicious days for you!When is the 7th solar term (Lixia)?】Analyzing from the perspective of solar terms - the Beginning of Summer is the day when summer is about to begin:[1] The 24 solar terms are specific solar terms in the Ganzhi calendar that represent the changes in natural rhythms and establish the "twelve months" (seasons). They were originally determined by the direction of the handle of the Big Dipper. [2] When the handle of the Big Dipper points to the southeast, it marks the beginning of summer. The current "Twenty-Four Solar Terms" are divided using the "Fixed Qi Method", that is, each solar term corresponds to a certain position reached by the earth every 15° on the ecliptic, and when the sun's ecliptic longitude reaches 45°, it is the Beginning of Summer node. 【3】The 24 Solar Terms is a knowledge system formed by ancient people who observed the annual movement of the sun and understood the changing patterns of seasons, climate, and phenology in a year. 】Analyzed from an astronomical perspective - Beginning of Summer means bidding farewell to spring and the beginning of summer <br /> People usually regard Beginning of Summer as an important solar term when the temperature rises significantly, the hot summer is approaching, thunderstorms increase, and crops enter the peak growth season. During the Beginning of Summer season, the temperature difference between the north and the south of my country is quite large, and the temperature fluctuates frequently in the same region. The average temperature in most parts of the country is around 18-20℃. 】Query of the date of the Beginning of Summer: The beginning of summer in 2016 is from May 5 to the 29th day of the third month of the lunar calendar in 2016. The beginning of summer in 2017: May 5 - the tenth day of the fourth month of the lunar calendar in 2017 The beginning of summer in 2018 is from May 5 to the 20th day of the third month of the lunar calendar in 2018. The beginning of summer in 2019: May 6 - the second day of the fourth month of the lunar calendar in 2019 The beginning of summer in 2020: May 5 - the 13th day of the fourth month of the lunar calendar in 2020 Is it the dividing point of summer?——Analyze from different angles: (climate, lunar calendar)In the Collection of Explanations of the 72 Seasonal Changes it says: "Li means establishment and beginning, Xia means vacation, and all things at this time are vacationing and growing." The word "vacation" here means "big", meaning that the plants sown in spring have grown upright. According to climatological standards, summer begins when the daily average temperature rises steadily above 22°C. Around the beginning of summer, the average temperature in most parts of the country is around 18-20℃, which is the mid-spring and late spring season when "all kinds of red and purple are competing for beauty". The areas south of the line from Fuzhou to Nanling in my country have already entered summer with a scene of "dense green trees, long summer days, and reflections of buildings like ponds". But parts of the Northeast and Northwest have just entered spring. ——Time division in summer: In China, summer starts from the Beginning of Summer (between May 5 and 7 each year) and ends at the Beginning of Autumn. Westerners generally call the period from the summer solstice to the autumnal equinox summer. In the Southern Hemisphere, December, January and February are generally considered summer. In the sense of modern climatology (average temperature of the season) in my country: five consecutive days with an average temperature of more than 22 degrees is considered summer, and five consecutive days with an average temperature of less than 22 degrees is considered autumn. |
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